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Finding the Fourth Proportional to 9,460.48, 13,048.32 and 8,902.40

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Solution

The fourth proportional to 9,460.48, 13,048.32 and 8,902.40 is: 12,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,460.48 : 13,048.32 = 8,902.40 : x
  2. Step 2: Convert to fraction form
    9,460.48/13,048.32 = 8,902.40/x
  3. Step 3: Cross multiply
    9,460.48x = 13,048.32 × 8,902.40
  4. Step 4: Simplify right side
    9,460.48x = 116,161,363.97
  5. Step 5: Solve for x
    x = 116,161,363.97/9,460.48
  6. Step 6: Final answer
    x = 12,278.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.